Improve system detection for brew python

python.sh

@@ -18,19 +18,23 @@ env:
   PYTHONPATH: "$PYTHON_ROOT/lib/python/site-packages"
 prefer_system: "(?!slc5|ubuntu)"
 prefer_system_check: |
-  python3 -c 'from sys import version_info; print(f"alibuild_system_replace: python{version_info.major}.{version_info.minor}")'
-  python3 -c 'import sys; import sqlite3; sys.exit(1 if sys.version_info < (3, 9) or sys.version_info > (3, 13) else 0)' && python3 -m pip --help > /dev/null && printf '#include "pyconfig.h"' | cc -c $(python3-config --includes) -xc -o /dev/null -; if [ $? -ne 0 ]; then printf "Python, the Python development packages, and pip must be installed on your system.\nUsually those packages are called python, python-devel (or python-dev) and python-pip.\n"; exit 1; fi
+    case $ALIBUILD_ARCHITECTURE in
+        osx*)
+            python3 -c 'from sys import version_info; print(f"alibuild_system_replace: python-brew{version_info.major}.{version_info.minor}")' ;;
+        *)
+            python3 -c 'from sys import version_info; print(f"alibuild_system_replace: python{version_info.major}.{version_info.minor}")'
+        ;;
+    esac
+    python3 -c 'import sys; import sqlite3; sys.exit(1 if sys.version_info < (3, 9) or sys.version_info > (3, 13) else 0)' && python3 -m pip --help > /dev/null && printf '#include "pyconfig.h"' | cc -c $(python3-config --includes) -xc -o /dev/null -; if [ $? -ne 0 ]; then printf "Python, the Python development packages, and pip must be installed on your system.\nUsually those packages are called python, python-devel (or python-dev) and python-pip.\n"; exit 1; fi
 prefer_system_replacement_specs:
-  "python3.9":
-    version: "3.9"
-  "python3.10":
-    version: "3.10"
-  "python3.11":
-    version: "3.11"
-  "python3.12":
-    version: "3.12"
-  "python3.13":
-    version: "3.13"
+  "python-brew3.*":
+    env:
+        PYTHON_ROOT: $(brew --prefix python3)
+        PYTHON_REVISION: ""
+  "python3.*":
+    env:
+        PYTHON_ROOT: ""
+        PYTHON_REVISION: ""
 ---
 rsync -av --exclude '**/.git' $SOURCEDIR/ $BUILDDIR/